Pertechnetate
高锝酸盐
🗣️ 情景例句
The mall's packed today.
今天商场里的人很多。
Hares may pull dead lions by the beard.
虎落平阳被犬欺。
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。